OPERATION
1. If you do not currently have an ST- or FC-terminated optical
fiber, use either a pigtail assembly or a fiber collimator (see
Table 1), and align the fiber so that light exits the output fiber
connector. With a pigtail assembly, use a fiber aligner such as
the Model 9091 and its accessories; with a collimator, use the
Model 9854 Opti-Claw or the Model 9016 tiny fiber positioner.
2. Measure the power in the fiber prior to connection to the
module to be sure it is within the safe operating range (see
the Detector Characteristics section of this manual). The Models
20X1-FC and 20X1-ST are useful for this purpose and have the
sensitivity to aid in fiber alignment.
3. Connect the fiber-optic cable to the fiber-optic input on the
detector module. The Bias Monitor may be used to optimize
coupling to the fiber.
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